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kati45 [8]
3 years ago
12

The sum of three numbers is 104. The first number is 10 less than the second. The third number is 4 times the second. What are t

he numbers?
Mathematics
1 answer:
Shalnov [3]3 years ago
6 0

Answer:

The numbers are 9, 19 and 76.

Step-by-step explanation:

Let's take the second number and make it a variable, like x. Now let's find all the other numbers in terms of x.

The first number in terms of x:

x - 10

The second number in terms of x:

4x

If we add them all up, these 3 numbers in terms of x must be equal to 104, so:

x + (x - 10) + (4x) = 104 \\ x + x - 10 + 4x = 104 \\ 6x - 10 = 104 \\ 6x = 114 \\ x = 19

Now that we know the second number, we can find the other numbers since we already figured out their values in terms of x:

19 - 10 = 9

4 \times 19 = 76

The first number is 9, second number 19 and the third number 76.

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Building an A-frame dog house. Your club has decided to build and sell dog houses for a fundraising project. You found this dog
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Complete question is;

Building an A - frame dog house. Your club has decided to build and sell dog houses for a fundraising project. You found this dog house a set of plans by searching the net.

side 1 = 45¼ in

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Step-by-step explanation:

We are told that a customer has offered to pay extra if you will make one half the size called for in the plans.

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New side 3 = 37.25/2 = 18.625

Converting to fraction:

New side 3 = 18⅝ in

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